<template>
    <div class="goods" v-if="!isNotFound">
      <van-swipe class="goods-swipe" :autoplay="3000">
        <van-swipe-item v-for="item in album" :key="item.id">
          <img :src="item.picture" height="414">
        </van-swipe-item>
      </van-swipe>
      <van-cell-group>
        <van-cell>
          <template #title>
            <span class="goods-top">新品</span>
            <div class="goods-price">
              <span class="small">￥</span>
              {{ goods.price }}
              <span class="spec">{{ goods.spec }}</span>
            </div>
            <div class="goods-title">
              <span class="small"> {{ goods.name }}</span>
            </div>
          </template>
        </van-cell>
        <van-cell class="goods-express">
          <template #title>
            <van-col span="10">运费：10</van-col>
            <van-col span="14">剩余： {{ goods.stock }}</van-col>
          </template>
        </van-cell>
      </van-cell-group>
      <van-cell-group class="goods-cell-group">
        <van-cell>
          <template #title>
            <span class="van-cell-text">发货  美国洛杉矶</span>
          </template>
        </van-cell>
        <van-cell>
          <template #title>
            <span class="van-cell-text">保障  坏单包赔 ·假一赔四 ·极速退款</span>
          </template>
        </van-cell>
        <van-cell>
          <template #title>
            <span class="van-cell-text">参数   价格：100-200000</span>
          </template>
        </van-cell>
      </van-cell-group>
      <div class="goods-cell-title">
        —— 宝贝详情 ——
      </div>
      <div class="goods-description" v-html="goods.description"></div>
      <!-- 底部按钮-->
      <van-action-bar>
        <van-action-bar-icon icon="chat-o" text="客服" @click="good"/>
        <van-action-bar-icon icon="cart-o" :badge="cartCount()" text="购物车" @click="onClickCart"/>
        <van-action-bar-button type="warning" text="加入购物车"  @click="addCart"/>
        <van-action-bar-button type="danger" text="立即购买" @click="sorry"/>
      </van-action-bar>
    </div>
    <div class="goods-not-found" v-else>商品暂未补货</div>
  </template>
  
  <script setup>
  import { reactive, ref, onMounted } from 'vue'
  import { getGoodsAlbum, getGoodsDetail } from '../api'
  import { showToast } from 'vant'
  import { useRouter } from 'vue-router'
  import useCart from '../stores/cart'
  
  const { cartCount, addToCart } = useCart()
  const goods = reactive({})
  const album = ref([])
  const isNotFound = ref(false)
  const router = useRouter()
  
  const props = defineProps({
      id: String
  })
  
  onMounted(() => {
      loadGoodsDetail()
  })
  
  // 加载商品详情
  const loadGoodsDetail = async () => {
      const data1 = await getGoodsDetail({ id: props.id })
      if (!data1.id) {
          isNotFound.value = true
          return
      }
      const data2 = await getGoodsAlbum({ goods_id: props.id })
      if (data2.length === 0 && data1.picture !== '') {
          data2.push({ picture: data1.picture })
      }
      Object.assign(goods, data1)
      album.value = data2
  }
  
  const sorry = () => {
      router.push({ name: 'purchase' })
  }
  
  const onClickCart = () => {
      router.push({ name: 'cart' })
  }
  
  const addCart = () => {
      addToCart({ id: props.id, num: 1, checked: true })
      showToast({ message: '添加成功' })
  }
  
  const good = () => {
      showToast({ message: '客服繁忙中，请稍后' })
  }
  </script>
  
  <style lang="less" scoped>
  .goods {
    text-align: center;
    padding-bottom: 50px;
    .goods-swipe {
      img {
        width: 100%;
        display: block;
      }
    }
    .goods-top {
      display: block;
      width: 30px;
      padding: 0 5px;
      border-radius: 10px;
      color: #fff;
      background-color: #f44;
    }
    .goods-title {
      text-align: left;
      .small {
        font-size: 14px;
      }
    }
    .goods-price {
      color: #f44;
      text-align: left;
      font-size: 20px; 
      .small {
        font-size: 12px;
      }
      .spec {
        font-size: 12px;
        color: #999;
      }
    }
    .goods-cell-title {
      padding: 20px 0;
    }
    .goods-description {
      width: 95%;
      margin: 0 auto;
      padding-bottom: 20px;
      font-size: 14px;
      :deep(img) {
        max-width: 100%;
        height: auto;
        display: block;
      }
    }
    &-express {
      color: #999;
      font-size: 12px;
      padding: 5px 15px;
      :deep(.van-col) {
        float: left;
      }
      :deep(.van-col--14){
        width: 58%;
      }
    }
    .goods-cell-group {
      :deep(.van-cell_title span){
        float: left;
      }
    }
    :deep(.van-cell:after) {
      border: none;
    }
  }
  .goods-not-found {
    padding-top: 48px; 
    text-align: center;
    font-size: 28px;
  }
  </style>
  